https://forum.proxmox.com/threads/qmrestore-fails-warning-pmbr-signature-detected.92527/
qmrestore fails - WARNING: PMBR signature detected | Proxmox Support Forum
I guess if I did manage to choose 'Yes' at the promt it would work, but how do I do that, seems to always automatically chooses 'N'. It's a backup from...
proxmox supportfailswarningpmbrsignature